Most racedays with other riders
Riders sorted by the number of times they started in the same race as Masao Shimazaki.
| # | Rider | Number of races |
|---|---|---|
| 1 | OKAZAKI Kazuki | 8 |
| 2 | FUJIMURA Kazuma | 7 |
| 3 | KAMADA Koki | 7 |
| 4 | ABE Gen | 7 |
| 5 | SATO Koryo | 7 |
| 6 | WATANABE Ikki | 6 |
| 7 | DYBALL Benjamin | 6 |
| 8 | ODA Hijiri | 6 |
| 9 | QUINTERO Leonel | 6 |
| 10 | MORITA Toa | 6 |
| 11 | LEBAS Thomas | 6 |
| 12 | MANCEBO Francisco | 6 |
| 13 | OKUDA Kazuhito | 6 |
| 14 | NAGASHIMA Satoaki | 6 |
| 15 | HASHIMOTO Koya | 6 |
| 16 | TANI Junsei | 6 |
| 17 | KOISHI Yuma | 6 |
| 18 | TAKEYAMA Kosuke | 6 |
| 19 | TORIBIO José Vicente | 6 |
| 20 | MAGOSAKI Daiki | 6 |
| 21 | ACOSTA Ruben Dario | 5 |
| 22 | PRADES Benjamín | 5 |
| 23 | SUGENO Aira | 5 |
| 24 | KUBOTA Yusuke | 5 |
| 25 | ISHIHARA Yuki | 5 |
| 26 | YAMASATO Isshin | 5 |
| 27 | ARASHIRO Yudai | 5 |
| 28 | HAGIYA Sora | 5 |
| 29 | OKA Atsushi | 5 |
| 30 | YAMAMOTO Genki | 5 |
| 31 | MINAMI Kazuto | 5 |
| 32 | TOBARU Hayato | 5 |
| 33 | BETTLES Carter | 5 |
| 34 | MORIMOTO Rintaro | 5 |
| 35 | EARLE Nathan | 5 |
| 36 | MOREY Drew | 5 |
| 37 | MATSUI George | 5 |
| 38 | IMAMURA Shunsuke | 5 |
| 39 | YASUHARA Daiki | 5 |
| 40 | HANADA Kiyomasa | 4 |
| 41 | SAKAKIBARA Katsuta | 4 |
| 42 | INAYOSHI Issei | 4 |
| 43 | UMEZAWA Kanta | 4 |
| 44 | TAO Ryunosuke | 4 |
| 45 | OKAMOTO Hayato | 4 |
| 46 | TSUJI Rikuto | 4 |
| 47 | WATANUKI Haruto | 4 |
| 48 | SHINGUU Soutaa | 4 |
| 49 | KUSABA Keigo | 4 |
| 50 | BUDYAK Anatoliy | 4 |